Is ICD-10-CM code F78 billable?

No, F78 (Other intellectual disabilities) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code F78 belong to?

F78 belongs to Chapter 5 of the ICD-10-CM tabular list: F01–F99 (Mental, Behavioral and Neurodevelopmental Disorders).

F78Not billable, use a more specific code below

Other intellectual disabilities

In Intellectual Disabilities (F70-F79), chapter 5: Mental, Behavioral and Neurodevelopmental Disorders

2 billable codes under F78: none are a CC or MCC; none map to an HCC.

Instructional notes

Also applies, from Intellectual Disabilities (F70-F79)

These notes sit on F70-F79 and apply to every code under it, including F78.

Excludes1: not coded here, use a different code

borderline intellectual functioning, IQ above 70 to 84 (R41.83)

Code first: code the underlying condition first, then this code

any associated physical or developmental disorders

All codes under F78

F78 can't be used on a claim. Pick a billable code below; grey headings group them.

MS-DRGs

As the principal diagnosis, all 2 billable codes under F78 group to these MS-DRGs (v44.0).

DRG 884 Organic Disturbances and Intellectual Disability

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Developmental Disabilities

Developmental disabilities are conditions that are usually present at birth. They can affect a child's growth and development. These conditions can cause physical, learning, language, or behavior issues. They can include:

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015.

FY2022: Subcodes were added, so F78 is no longer billable on its own. New codes for cases coded here before: F78.A1 (SYNGAP1-related intellectual disability), F78.A9 (Other genetic related intellectual disability).

ICD-9-CM equivalent

Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).

319 Unspecified intellectual disabilities (approximate)

ICD-9 to ICD-10 converter